3  * ImgTec IR Hardware Decoder found in PowerDown Controller.
9  * translation functions to set up the hardware decoder and interpret the
58  * The decoder generates rapid interrupts without actually having
311  * img_ir_decoder_preprocess() - Preprocess timings in decoder.
312  * @decoder:	Decoder to be preprocessed.
317 static void img_ir_decoder_preprocess(struct img_ir_decoder *decoder)  in img_ir_decoder_preprocess()  argument
320 	if (!decoder->tolerance)  in img_ir_decoder_preprocess()
321 		decoder->tolerance = 10; /* percent */  in img_ir_decoder_preprocess()
323 	decoder->tolerance = decoder->tolerance * 128 / 100;  in img_ir_decoder_preprocess()
326 	img_ir_timings_preprocess(&decoder->timings, decoder->unit);  in img_ir_decoder_preprocess()
329 	if (decoder->repeat) {  in img_ir_decoder_preprocess()
330 		img_ir_timings_preprocess(&decoder->rtimings, decoder->unit);  in img_ir_decoder_preprocess()
331 		img_ir_timings_defaults(&decoder->rtimings, &decoder->timings);  in img_ir_decoder_preprocess()
336  * img_ir_decoder_convert() - Generate internal timings in decoder.
337  * @decoder:	Decoder to be converted to internal timings.
344 static void img_ir_decoder_convert(const struct img_ir_decoder *decoder,  in img_ir_decoder_convert()  argument
349 	reg_timings->ctrl = img_ir_control(&decoder->control);  in img_ir_decoder_convert()
352 	img_ir_timings_convert(&reg_timings->timings, &decoder->timings,  in img_ir_decoder_convert()
353 			       decoder->tolerance, clock_hz);  in img_ir_decoder_convert()
356 	if (decoder->repeat)  in img_ir_decoder_convert()
358 				       &decoder->rtimings, decoder->tolerance,  in img_ir_decoder_convert()
478 	/* current decoder must support scancode filtering */  in img_ir_set_filter()
479 	if (!hw->decoder || !hw->decoder->filter) {  in img_ir_set_filter()
489 		ret = hw->decoder->filter(sc_filter, &filter,  in img_ir_set_filter()
493 		ret = hw->decoder->filter(sc_filter, &filter,  in img_ir_set_filter()
534  * img_ir_set_decoder() - Set the current decoder.
536  * @decoder:	Decoder to use with immediate effect.
537  * @proto:	Protocol bitmap (or 0 to use decoder->type).
540 			       const struct img_ir_decoder *decoder,  in img_ir_set_decoder()  argument
597 	/* switch decoder */  in img_ir_set_decoder()
598 	hw->decoder = decoder;  in img_ir_set_decoder()
599 	if (!decoder)  in img_ir_set_decoder()
604 		proto = decoder->type;  in img_ir_set_decoder()
608 	img_ir_decoder_convert(decoder, &hw->reg_timings, hw->clk_hz);  in img_ir_set_decoder()
620  * img_ir_decoder_compatible() - Find whether a decoder will work with a device.
622  * @dec:	Decoder to check.
640  * img_ir_allowed_protos() - Get allowed protocols from global decoder list.
690 	if (!hw->decoder || !hw->decoder->filter)  in img_ir_change_protocol()
818 	const struct img_ir_decoder *dec = hw->decoder;  in img_ir_handle_data()
878  * img-ir decoder.
912 	if (hw->decoder) {  in img_ir_change_frequency()
913 		img_ir_decoder_convert(hw->decoder, &hw->reg_timings,  in img_ir_change_frequency()
959 	/* use the current decoder */  in img_ir_isr_hw()
960 	if (!hw->decoder)  in img_ir_isr_hw()
963 	ct = hw->decoder->control.code_type;  in img_ir_isr_hw()
973 		 * received by the decoder.  in img_ir_isr_hw()
974 		 * The decoder generates rapid interrupts without actually  in img_ir_isr_hw()
1010 	/* Use the first available decoder (or disable stuff if NULL) */  in img_ir_setup_hw()
1071 	/* Allocate hardware decoder */  in img_ir_probe_hw()
1081 	rdev->device_name = "IMG Infrared Decoder";  in img_ir_probe_hw()
1085 	/* Register hardware decoder */  in img_ir_probe_hw()